Electrochemical and Magnetic Immunoassays

Electrochemical formats

Dr Robert Porter has developed electrochemical immunoassay platforms using conducting materials such as polymers silver nano-particles in a microfluidic device.

The use of silver in this process, resulted in the foundation of the company AgPlus. The technology involves using silver nano-particles as an electro-active measurand. An electrochemical potential is used to dissolve the particles and accumulation stripping voltammetry, using differential pulse as the stripping step.

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Magnetic Particles

Using Hall effect measurement we have, in collaboration, been able to develop a highly sensitive immunoassay platform employing microfluidic strips.

Using this methodology, we have also developed blood coagulation systems for INR (the time it takes for blood to clot) measurement.